Solutions by everydaycalculation.com
The LCM of 3 and 640 is 1920.
MathStep (Works offline)
Download our mobile app and learn how to find LCM of upto four numbers in your own time:
Android and iPhone/ iPad
Find least common multiple (LCM) of: 6 & 1280 9 & 1920 15 & 3200 21 & 4480 6 & 640 3 & 1280 9 & 640 3 & 1920 15 & 640 3 & 3200 21 & 640 3 & 4480
Enter two numbers separate by comma. To find least common multiple (LCM) of more than two numbers, click here.
© everydaycalculation.com